import javax.swing.*;
import java.awt.*;

public class GameFrame extends JFrame {
    final int frameSize = 600;

    public void launch(){
        this.setTitle("贪吃蛇");
        this.setSize(frameSize, frameSize);
        this.setLocationRelativeTo(null);
        this.setVisible(true);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    public void paint(Graphics graphics){
        graphics.setColor(Color.pink);
        graphics.fillRect(0,0,frameSize, frameSize);
    }

    public static void main(String[] args){
        GameFrame gameFrame = new GameFrame();
        gameFrame.launch();
    }
}
